The 36-year-old broke the deadlock in the 69th minute with a long rang-shot into the bottom right corner after a mazy run on Saturday, reports Xinhua news agency.
"We didn't play well in the first half but after halftime we showed greater intensity and attitude. Thankfully I was able to score and we we got an important victory," Nene said after the match.
The result at the Maracana stadium lifted Vasco to eighth in the 20-team standings while Botafogo remained sixth with 10 matches remaining.
The top six teams in the standings at the end of the season will secure a berth in next year's Copa Libertadores, South America's top club competition.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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